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Hackers spread malware via Yahoo ads

7/09/2015 by Sharon Shahzad

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Hackers who previously exploited vulnerabilities in Adobe Flash have now used advertising onYahoo's largest websites to distribute malware to billions, according to researchers at Malwarebytes. The technique, growing at an alarming rate, is facilitated when an  attacker tricks an automated ad network into delivering malware embedded in ads.

The attack, which reportedly began on July 28, took on Yahoo's ad network and leveraged Microsoft Azure websites to spread the Angler Exploit Kit onto the desktop PCs of unsuspecting site visitors, the researchers noted. The kit has seen its market share explode from 25 percent to 83 percent this year, according to Fraser Howard, a researcher at SophosLabs.

“With the pure scale and size of Yahoo, many people may have fallen victim to this attack,” Grayson Milbourne, security intelligence director at Webroot, told SC Magazine.

This, of course, is not the first instance of malvertising. Yahoo and AOL users were previously infected in January 2014, and Yahoo was hit with a similar attack again in October. Additionally, DoubleClick, Google's ad network, was attacked in September 2014, with a repeat in January.

This article has been extracted from http://www.scmagazine.com, please click on this link to read the article in full http://www.scmagazine.com/hackers-spread-malware-via-yahoo-ads/article/437075/

Montash is a multi-award winning global technology recruitment business. Specialising in permanent and contract positions across mid-senior appointments across a wide range of industry sectors and IT functions, including:

ERP Recruitment, BI & Data Recruitment, Information Security Recruitment, Enterprise Architecture & Strategy Recruitment , Energy Technology Recruitment, Demand IT and Business Engagement Recruitment, Digital and E-commerce Recruitment, Leadership Talent, Infrastructure and Service Delivery Recruitment, Project and Programme Delivery Recruitment.

Montash is headquartered in Old Street, London, in the heart of the technology hub. Montash has completed assignments in over 30 countries and has appointed technical professionals from board level to senior and mid-management in permanent and contract roles.

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